• Allows users to create playlist, add and remove songs, recordings, tracks.
• Specific relationship was establised between recordings, songs, tracks, as shown in the UML diagram.
• The commands should allow establishing all the relationships that exist in the data model. For example: associating songs with recordings, or playlists with users, or songs with user playlists.
• Allows the users to follow other user's playlists as long as their playlists have same name, for which observer design pattern was used.

1. g++ -g -Wall *.cpp
2. ./a.out

To execute the provided script file (scriptfile.txt), type .read

This app allows users to add, delete and show the mentioned features in the table below. In addition to those, the program also supports logging of the commands using .log command.

For example, adding a user follows the syntax: add -u user_id "name"

To see the rest of the available commands supported by the program, type .help